<script type="text/javascript">
    $("#form_tran_exp_123456").ready(function(){
        $("#form_tran_exp_123456").ajaxForm(function(re)
        {
            if(!re)
            {
                alert('修改失败！')
            }
　　　　　　　window.location.reload();
        });
    });
</script>
<form action="<?php echo url::base(true)?>purchases/selectpurchase/change_transportation_expense" method="post" id="form_tran_exp_123456">
    <label>采购单号:</label>
    <input type="text" name="id" value="<?php echo isset($po['id'])?$po['id']:'';?>" readonly="readonly">
    <!--<span><?php /*echo isset($po['id'])?$po['id']:'';*/?></span>-->
    <label>运费:</label>
    <input type="text" name="tran_exp" value="<?php echo isset($po['transportation_expense'])?$po['transportation_expense']:'';?>">
    <input type="submit" value="修改" class="btn btn-info">
</form>